kget/ui/splash.cpp

   1 /* This file is part of the KDE project
   2
   3    Copyright (C) 2004 - 2005 KGet Developers <kget@kde.org>
   4    Splash.cpp/.h taken from Amarok. Thanks to Amarok's authors, cool piece
   5    of code.. and our favourite player!
   6    Copyright (C) 2003 by Christian Muehlhaeuser <muesli@chareit.net>
   7
   8    This program is free software; you can redistribute it and/or
   9    modify it under the terms of the GNU General Public
  10    License as published by the Free Software Foundation; either
  11    version 2 of the License, or (at your option) any later version.
  12 */
  13
  14 #include "splash.h"
  15
  16 #include <QApplication>
  17 #include <QBitmap>
  18 #include <QImage>
  19 #include <QPainter>
  20 #include <QTimer>
  21 #include <QMouseEvent>
  22 #include <QPaintEvent>
  23 #include <QDesktopWidget>
  24
  25 Splash::Splash(const QString& imagePath)
  26     : QWidget(0, Qt::SplashScreen | Qt::X11BypassWindowManagerHint)
  27 {
  28     cachedPixmap = QPixmap(imagePath);
  29     if (!cachedPixmap.mask().isNull())
  30     {
  31         QBitmap mask(cachedPixmap.size());
  32         mask.fill(Qt::color0);
  33         QBitmap pixMask = cachedPixmap.mask();
  34         QPainter p(&mask);
  35         p.drawPixmap((mask.width() - pixMask.width())/2, (mask.height() - pixMask.height())/2,
  36                      pixMask);
  37         setMask(mask);
  38     }
  39     else
  40         setMask(QBitmap());
  41
  42     QWidget *d = QApplication::desktop()->screen();
  43     move( (d->width() - cachedPixmap.width ()) / 2,
  44           (d->height() - cachedPixmap.height()) / 2 );
  45     resize( cachedPixmap.size() );
  46     setFocusPolicy( Qt::NoFocus );
  47
  48     show();
  49     update();
  50
  51     QTimer::singleShot( SPLASH_DURATION, this, SLOT(hide()) );
  52 }
  53
  54 void Splash::removeSplash( int timeout )
  55 {
  56     QTimer::singleShot( timeout, this, SLOT(hide()) );
  57 }
  58
  59 void Splash::paintEvent( QPaintEvent * )
  60 {
  61     QPainter p(this);
  62     const QRect r = rect();
  63     p.drawPixmap(r.x() + (r.width() - cachedPixmap.width())/2,
  64                  r.y() + (r.height() - cachedPixmap.height())/2,
  65                  cachedPixmap);
  66 }
  67
  68 void Splash::mousePressEvent( QMouseEvent* )
  69 {
  70     removeSplash(100);
  71 }
  72
  73 #include "splash.moc"